(n.) One of the small bones in the tympanum of the ear; the anvil bone. See Ear.
(n.) The central portion of the armature of the pharynx in the Rotifera.
Example Sentences:
(1) The observed pattern of development in nonirradiated specimens was the following: hypertrophy of the rostral process and endochondral-type ossification, fibrous atrophy in the midsection, and mineralization of the malleus and incus.
(2) The suitability for grafting of homograft incus, cartilage and fascia we believe to have been demonstrated.
(3) The reshaped incus is repositioned between the malleus handle and oval window when the stapes is fixed and there also exists a lateral ossicular chain defect.
(4) The short process prosthesis is used with an intact stapes, whereas the notched incus with long process carries the sound pressure directly to the stapedial footplate.
(5) In the polyethylene tube group, 1 ear showed the growth of new bone into the lumen of the tube and 1 showed minor resorption of the long process of the incus.
(6) Since 1981, we have used the stapes allograft, singly or in combination with homograft incus, in 20 cases of tympanoplasty and in 7 cases of fixed stapes.
(7) To achieve better hearing after incus replacement surgery, the ossicle-cup prosthesis is introduced.
(8) Incus, incus-stapes, and total ossicular replacement prosthesis results were similar, but partial ossicular replacement prosthesis results were poorer.
(9) Measurements of tympanic membrane surface area; depth of the tympanic membrane cone; the lengths of the malleus and incus long processes; and stapes footplate, annular space, and oval window areas were obtained using video micrographs and computer digitization techniques.
(10) The stapes was extracted from the vestibulum the same day and was fixed to the incus with fibrin sealant in an anatomical position.
(11) For each of four implant designs (incus, incus-stapes, PORP, and TORP), the head is constructed from hydroxylapatite and the shaft from Plasti-Pore.
(12) Mitochondrial volume density (% cytoplasm) was lower in dog than in mouse cells or cells of the incus.
(13) We report on a 5-year experience with 44 patients (1980-1985) with incus interposition using a modelled or sculptured incus, either autograft or homograft, to correct ossicular discontinuity when a functional malleus and stapes are present.
(14) A stapes prosthesis is placed on the long process of the incus.
(15) The results of this assembly, judging by different methods of analysis, are the same as in 45 ears having approximately the same pathologic condition treated by an autograft or allograft incus as the columella between the footplate and eardrum.
(16) A case of a Gorlin-Goltz-syndrome with anomalies of the stapes and incus of one ear is described for the first time.
(17) A theory is suggested in which an elongated capsule allows incus motion without energy transmission to the stapes.
(18) To measure these effects in the area of the oval window, in isolated temporal bones the stapes was removed and substituted by a piece of plastipore, attached to the incus.
(19) Hearing success was defined as a postoperative puretone average air-bone gap of < or = 15 dB for incus prostheses and partial ossicular replacement prostheses (PORPs) or < or = 25 dB for incus-stapes prostheses and total ossicular reconstruction prostheses (TORPs).
(20) The long-term results of this assembly, judging by different methods of analysis, are still somewhat better than those of 98 ears with approximately the same pathologic condition treated by an allograft incus as the columella between the footplate and fascia.
Uncus
Definition:
(n.) A hook or claw.
Example Sentences:
(1) CT scan in these cases showed infarctions of the right uncus, amygdaloid nucleus, genu and posterior limb of the internal capsule, globus pallidus, lateral geniculate body and tail of the caudate nucleus.
(2) In the encephalous there was edema, uncus herniation and hemorrhagic infarct of the brain stem.
(3) Rarely, the lymphatics of the posterior uncus may pass directly to the supra- and infrarenal relays.
(4) We measured the total size of the resection and the extent to which the following specific mediobasal temporal lobe structures had been removed: amygdala, hippocampus, pes hippocampi, dentate gyrus, parahippocampal gyrus, uncus and subiculum.
(5) A method for quantifying the resection of four specific medial temporal lobe structures--amygdala, uncus, hippocampal formation, and parahippocampal gyrus--was used to correlate postoperative seizure control with the degree to which those structures had been resected.
(6) The most frequent branches of the cisternal portion pass to the optic tract, cerebral peduncle, uncus and lateral geniculate body.
(7) The AHA extended between the uncus and the parahippocampal gyrus, and it supplied the head of the hippocampus.
(8) The neurofibrillary tangles were maximal in structures in the medial temporal lobe (uncus, amygdala, hippocampus and parahippocampal gyrus), severe in the neocortex on the lateral surface of the temporal lobe, moderate in the "association cortex" of the parietal and frontal lobes and minimal in primary somatic and visual sensory areas.
(9) Uncus herniation could not be identified with M.R.I.
(10) Direct visualization of temporal uncus herniation and filling of the homolateral perimesencephalic cistern was regularly obtained.
(11) Most frequent was herniation of hippocampal uncus and most rare that of the cerebellar vermis.
(12) The lymphatics of the uncus (anterior and posterior aspects) follow the superior mesenteric route to reach a right ICMN and then the supra- and infrarenal relays bilaterally.
(13) After excavation of the superior vertebral notch, the osseous prominence that remains is the uncus.
(14) In the course of screening, Uncariae ramulus et uncus, a chinese herbal medicine, was found to possess such activity.
(15) Only four homogeneous groups were isolated:--group I represents the cortico-sub-cortical level,--group II représents the diencéphalie level,--group III represents the upper brain stem level with two subdivisions dependent upon the mechanism of herniation : central or uncus,--group IV represents the lower brain stem level.
(16) Complete unilateral temporal lobectomies including the mesial structures, amygdala, and uncus were performed.
(17) Ischaemia within the regions supplied by vertebral and posterior cerebral arteries has been described as a complication of birth injury, either by direct trauma or by compression from a herniated temporal uncus.
(18) The middle hippocampal artery coursed just caudal to the uncus, in close relationship with the lateral posterior choroidal artery, and it usually supplied the middle part of the hippocampal formation.
(19) The authors define, explain, and illustrate a number of concepts pertaining to normal spinal anatomy that are of practical use but omitted in standard anatomical sources or are the subject of conflicting views: bony and cartilaginous end-plate, marginal ring, cortex of the vertebral body, isthmus, neurocentral junction, uncus, uncovertebral joint, zygapophyseal joint, annulus fibrosus, shorter and longer perivertebral ligaments, interspinous bursa, mamillo-accessory ligament.
(20) Of the 33 different regions investigated, the uncus and substantia nigra showed the highest specific binding of [3H]neurotensin, whereas such areas as the pineal body, medulla, and corpus callosum had few binding sites.